Add SpotBugs, deprecate FindBugs.

findbugs-init.groovy

@@ -20,7 +20,16 @@ gradle.projectsEvaluated {
     }
 }
 
-//Findbugs task
+/**
+ * Findbugs task.
+ * @deprecated
+ * Deprecated in favour of spotbugs, see
+ * https://github.com/gradle/gradle/issues/7028.
+ * Will be removed when latest Android Gradle plug-in requires a
+ * version of Gradle that does not support findbugs.
+ * @param project Project to which a findbugs task will be added.
+ */
+@Deprecated
 void addFindBugsTask(final Project project) {
     project.apply plugin:FINDBUGS
     project.tasks.create([name:FINDBUGS,

spotbugs-init.groovy

@@ -0,0 +1,86 @@
+import org.gradle.api.Project
+import org.gradle.api.file.FileCollection
+
+ext.SPOTBUGS = 'spotbugs'
+rootProject {
+    buildscript {
+        repositories {
+            maven {
+                url 'https://plugins.gradle.org/m2/'
+            }
+        }
+        dependencies {
+            classpath 'com.github.spotbugs:spotbugs-gradle-plugin:3.0.0'
+        }
+    }
+}
+
+gradle.projectsEvaluated {
+    ext.applySpotBugs = {
+        if (project.hasProperty('android') &&
+                !project.hasProperty(SPOTBUGS)) {
+            addSpotBugsTask project
+        }
+    }
+    if (rootProject.subprojects.isEmpty()) {
+        rootProject applySpotBugs
+    } else {
+        rootProject.subprojects applySpotBugs
+    }
+}
+
+//Spotbugs task
+void addSpotBugsTask(final Project project) {
+    project.apply plugin:'com.github.spotbugs'
+    project.sourceSets {
+        main {
+            java.srcDirs = ['main', 'androidTest', 'test'].collect {
+                project.android.sourceSets.findByName(it)
+            }.find { null != it }.collect { it.java.srcDirs }
+        }
+    }
+    project.tasks.matching { it.name.startsWith(SPOTBUGS) }.each {
+        it.with {
+            // Find excludes filter
+            final String CONFIG_NAME = 'findbugs-filter.xml'
+            if (rootProject.file(CONFIG_NAME).exists()) {
+                excludeFilter rootProject.file(CONFIG_NAME)
+            } else {
+                for (final File dir : startParameter.initScripts) {
+                     if (new File(dir.parentFile, CONFIG_NAME).exists()) {
+                        excludeFilter new File(dir.parentFile, CONFIG_NAME)
+                        break
+                    }
+                }
+            }
+            //excludeFilter script.file(CONFIG_NAME)
+            classes = getDebugSources(project)
+            classpath = project.configurations.compile + files(project.android.bootClasspath)
+            effort = 'max'
+            reportLevel = 'low'
+            reports {
+                // html.enabled = true
+                xml {
+                    // enabled = false
+                    withMessages = true
+                }
+            }
+            ignoreFailures = true // Don't report error if there are bugs found.
+        }
+    }
+}
+
+FileCollection getDebugSources(final Project project) {
+    FileCollection classes = project.files()
+    for (final String variantType : ['applicationVariants', 'libraryVariants', 'testVariants']) {
+        if (project.android.hasProperty(variantType)) {
+            project.android."${variantType}".all { variant ->
+                if (variant.buildType.name == 'debug') {
+                    classes += files("${variant.javaCompileProvider.get().destinationDir}")
+                }
+            }
+        }
+    }
+    classes
+}
+

static-checker-init.groovy

@@ -1,6 +1,6 @@
 apply from:'checkstyle-init.groovy'
 apply from:'detekt-init.groovy'
-apply from:'findbugs-init.groovy'
 apply from:'ktlint-init.groovy'
 apply from:'pmd-init.groovy'
 apply from:'sonar-init.groovy'
+apply from:'spotbugs-init.groovy'